Toyota RAV4 2019–2020 — technical service bulletin
Bulletin T-TT-0630-20 · NHTSA communication 10183289 · issued Oct 27, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2020
model years
2
vehicle entries
Official summary
TT: Some 2019-2020 model year RAV4 HV vehicles may experience DTC codes P0AA649 / P1C8049. - P0AA649-Hybrid/EV Battery Voltage System Isolation Internal Electronic Failure - P1C8049-Hybrid/EV Battery Voltage System Isolation (Rear Motor Area) Internal Electronic Failure Vehicles exhibiting this condition have been experiencing a short in MGR connector due to corrosion.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.